93198 ⎘
Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
Sub-classes:IODINE LABELED HYDROGELS AND PRECURSORS THEREOF WITH IMPROVED PROPERTIES
#2Method for converting monoisocyanates to ureas
#3Method for preparing biuret polyisocyanate
#4METHOD FOR PRODUCING COLOURLESS POLYISOCYANATES THAT CONTAIN BIURET GROUPS AND ARE STABLE IN STORAGE